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Indian Ocean Tuna Commission
Indian Ocean Tuna Commission
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Competence: Area & Species

IOTC Area of Competence

Definition of the IOTC area of competence:

IOTC Agreement: Article II. AREA OF COMPETENCE

  • "The area of competence of the Commission (hereinafter referred to as the “Area”) shall be the Indian Ocean (defined for the purpose of this Agreement as being FAO statistical areas 51 and 57 as shown on the map set out in Annex A to this Agreement) and adjacent seas, north of the Antarctic Convergence, insofar as it is necessary to cover such seas for the purpose of conserving and managing stocks that migrate into or out of the Indian Ocean."
  • Note: The Commission, at its 4th Session in 1999 agreed to modify the western boundary of the IOTC area of competence from 30oE to 20oE, thus eliminating the gap between the areas covered by IOTC and ICCAT.

Species under IOTC management

The species listed below are under the management mandate of IOTC. In addition, the Commission’s Secretariat collates data on non-target, associated and dependent species affected by tuna fishing operations, i.e. marine turtles, marine mammals, seabirds, sharks and fish species caught incidentally (bycatch).

FAO English name FAO French name Scientific name FAO Code
Yellowfin tuna Albacore Thunnus albacares YFT
Skipjack Listao; Bonite à ventre rayé Katsuwonus pelamis SKJ
Bigeye tuna Patudo; Thon obèse Thunnus obesus BET
Albacore tuna Germon Thunnus alalunga ALB
Southern Bluefin tuna Thon rouge du sud Thunnus maccoyii SBT
Longtail tuna Thon mignon Thunnus tonggol LOT
Kawakawa Thonine orientale Euthynnus affinis KAW
Frigate tuna Auxide Auxis thazard FRI
Bullet tuna Bonitou Auxis rochei BLT
Narrow barred Spanish Mackerel Thazard rayé Scomberomorus commerson COM
Indo-Pacific king mackerel Thazard ponctué Scomberomorus guttatus GUT
Blue Marlin Makaire bleu Makaira nigricans BUM
Black Marlin Makaire noir Makaira indica BLM
Striped Marlin Marlin rayé Tetrapturus audax MLS
Indo-Pacific Sailfish Voilier de l’Indo-Pacifique Istiophorus platypterus SFA
Swordfish Espadon Xiphias gladius SWO

 

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